Hello Vishnu,

As you have mentioned that your rank is 13685(ews category) in ap eamcet, with this rank your chances of getting  seat for your desired branch in jntu ananthapuram are low. But you can wait & try for all rounds. According to previous year data, here are the cutoff ranking(ap-eamcet) of JNTU for different branches:

B.tech Chemical Engineering                                -                       5915

B.Tech Civil Engineering                                         -                       5572

B.Tech Computer Science and Engineering        -                       1966

B.Tech  Electrical and Electronics Engineering   -                       5202

B.Tech  Electronics and Communication Engineering   -           2979

B.Tech  Mechanical Engineering                           -                        13224

You can also predict your college for ap-eamcet 2021 by using college predictor tool:

All the best!

Hope this helps you